Richmann ratchet socket set 1/2', 1/4', 3/8', 5/16',150 Pcs 72 ratchet (C4550)Richmann - Corona (Richmann is a new name for Corona brand- this socket set will come with Corona name) socket set 150 pcs, popular sizes of 1/2", 3/8", 1/4" sockets. Sockets are made with high quality chrome vanadium steel. 72 teeth ratchet gear- working stroke of 5 degrees. Soft grip handles for comfort of work. Set include: hex sockets: 1/2" ( 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24, 27, 30, 32 mm); 3/8" (9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19); 1/4" (4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13, 14) deep hex sockets: 1/2" (16, 17, 18, 19, 22) 3/8" (10, 11, 12, 13, 14, 15) 1/4" (4, 5, 6, 7, 8, 9, 10) torx sockets: 3/8" ( E10, E11, E12, E14, E16, E18) 1/2" (E20, E24) 1/4" (E4, E5, E6, E7, E8 extension bars: 1/2"(125, 250 mm) 3/8"(125 mm) 1/4"(50, 150 mm) universal joint: 1/2", 3/8", 1/4" quick release, reversible ratchet handles:1/2", 3/8", 1/4" spark sockets:16, 18, 21 spinner handle 1/4" Mixed 5/16" bits slotted, torx, hex, pozidrive, philips. adaptors Star bit